## Question

###### Solve each problem involving rates of concentration and mixtures. See Examples 7 and 8. How many liters of a $14 \%$ alcohol solution must be mixed with $20 \mathrm{L}$ of a $50 \%$ solution to get a $30 \%$ solution? (TABLE CANT COPY)

Solve each problem involving rates of concentration and mixtures. See Examples 7 and 8. How many liters of a $14 \%$ alcohol solution must be mixed with $20 \mathrm{L}$ of a $50 \%$ solution to get a $30 \%$ solution? (TABLE CANT COPY)

## Answers

#### Similar Solved Questions

5 answers

##### 5.Axlem of kg expands quasistatiely from m/kg und MPa to 3 m'/kg- Find the work of the system if during the process; FCOnS[AH[ (Ans: 2 x /0' kJ) b) pI constAnt (Ans: Ai I0 UJ) constn (Ans: 0.667x I0' KJ) Tle Telationship? between iWIc is givenus (1Mk?) S(u 2,0( Sum) (MFa I.() (.%u6 0,75 051 0.25

5.Axlem of kg expands quasistatiely from m/kg und MPa to 3 m'/kg- Find the work of the system if during the process; FCOnS[AH[ (Ans: 2 x /0' kJ) b) pI constAnt (Ans: Ai I0 UJ) constn (Ans: 0.667x I0' KJ) Tle Telationship? between iWIc is givenus (1Mk?) S(u 2,0( Sum) (MFa I.() (.%u6 0,...

5 answers

##### All the graphs below show the velocity of an object in the direction between t = and t =T You can assume the object is only moving in the direction Ifthe object starts at x = 0,in which case will it be back to x 0 at time T?

All the graphs below show the velocity of an object in the direction between t = and t =T You can assume the object is only moving in the direction Ifthe object starts at x = 0,in which case will it be back to x 0 at time T?...

5 answers

##### Hw 1 concept? can Hi WL typically causes H UH 8 Studies Why detect the presence of tumors W acidosis muscle tissues thas ; H ike Juceutse in the body ooecn H H under these conditions? keep MMSCIc only diioctostical 1 funclioning What under

Hw 1 concept? can Hi WL typically causes H UH 8 Studies Why detect the presence of tumors W acidosis muscle tissues thas ; H ike Juceutse in the body ooecn H H under these conditions? keep MMSCIc only diioctostical 1 funclioning What under...

5 answers

##### Question 4 out of 5 (15 points)The chances of a child being left-handed are: 1/2 if both parents are left-handed, 1/6 if exactly one parent is left-handed, and 1/16 if neither parent is left-handed: Suppose that of couples having children, in 2% both father and mother are left-handed, in 20% one is left-handed, and in the rest neither is left-handed.a) What is the probability of a randomly chosen child being left-handed? b) What is the probability that neither parent of a left-handed child is le

Question 4 out of 5 (15 points) The chances of a child being left-handed are: 1/2 if both parents are left-handed, 1/6 if exactly one parent is left-handed, and 1/16 if neither parent is left-handed: Suppose that of couples having children, in 2% both father and mother are left-handed, in 20% one is...

4 answers

##### Eva l uate the integral by making an appropriate change variables Je-aa , where 1s the region enclosed by XtY-0 XtY-4 X-y=] and *-Y=6

Eva l uate the integral by making an appropriate change variables Je-aa , where 1s the region enclosed by XtY-0 XtY-4 X-y=] and *-Y=6...

5 answers

##### Write the standard form of the equation of the circle with endpoints of a diameter at the points (7.6) and ( - 9,9)The standard form ol the equation of the circle is (Type an equation, Simplify your answer )

Write the standard form of the equation of the circle with endpoints of a diameter at the points (7.6) and ( - 9,9) The standard form ol the equation of the circle is (Type an equation, Simplify your answer )...

5 answers

##### Light Emitting Diodes (LEDs) are semiconductor devices that emit light at specific wavelengths without emitting at any other wavelengths. LEDs can be used to create lasers that are very compact since they are a solid state device. A pair of narrow, parallel slits separated by 0.244 mm are illuminated by green LED laser ( = 546.1 nm): The interference pattern is observed on a screen 1.35 m from the plane of the parallel slits. (a) Calculate the distance from the central maximum to the first brigh

Light Emitting Diodes (LEDs) are semiconductor devices that emit light at specific wavelengths without emitting at any other wavelengths. LEDs can be used to create lasers that are very compact since they are a solid state device. A pair of narrow, parallel slits separated by 0.244 mm are illuminate...

4 answers

##### Smart phone: Among 242 cell phone owners aged 18-24 surveyed, 107 said their phone was an Android phone:Part ] Find point estimare for the proportion of cell phone owners aged 18-24 #ho have an Android phone. Round the answer t0 three decimal places.The point = estimate for the proportion of cell phone Owners aged 18-24 who hare an Android phone is (0 . 442Part 2 out 0f 3 Construct 95% confidence interval for the proportion of cell phone owners aged 18-24 who bave au Android phone: Round the ans

Smart phone: Among 242 cell phone owners aged 18-24 surveyed, 107 said their phone was an Android phone: Part ] Find point estimare for the proportion of cell phone owners aged 18-24 #ho have an Android phone. Round the answer t0 three decimal places. The point = estimate for the proportion of cell ...

4 answers

##### Choose ONE of the following - questions choices to do a full inference procedure Do all steps for the problem You choose naming your inference poocedure:; definingthe parameter Of interesL checking conditions, showing the correct formulas; giving conclusions in context of the problem:. Thc Ievel of dissolved oxygen (DO) in 4 SCam Or rilzt [ ~uFpon _quatic lilc imprtint indcltor of the #ater"*` ability ac tha: culie [Cache measure t DOlcicl # 30 rndomly choscn kacations along milligrams pet

Choose ONE of the following - questions choices to do a full inference procedure Do all steps for the problem You choose naming your inference poocedure:; definingthe parameter Of interesL checking conditions, showing the correct formulas; giving conclusions in context of the problem:. Thc Ievel of ...

5 answers

##### 8.18cGet help answering Molecular Drawing questions# ?Modify the given structure to draw the major product(s) of the given reaction_ Use the single bond tool intercanvert between double and single bonds expected draw both enantiomers Note: You can select structure and use Copy and Paste save drawlng time:racemic mixtureenantiomersHYCCH;EditCH;accessing this Question Assistance You will learn while you earn points based on the Point Potential Policy set by vour instructor,Attempts: 01 5 usedSEVE

8.18c Get help answering Molecular Drawing questions # ? Modify the given structure to draw the major product(s) of the given reaction_ Use the single bond tool intercanvert between double and single bonds expected draw both enantiomers Note: You can select structure and use Copy and Paste save draw...

5 answers

##### (1 point) To say that< 6 is the same as saying â‚¬ is in the closed interval [A, B]where A is:and where B is:

(1 point) To say that < 6 is the same as saying â‚¬ is in the closed interval [A, B] where A is: and where B is:...

5 answers

##### Two trucks leave warehouse althe sametimng, One travels due north alan average speed 0f 48 miles per hour, and the othcr travels due south al dn average speed of 49 rliles per hour. Alter How rany hours will the Lwo trucks be 339.5 mlles apart?

Two trucks leave warehouse althe sametimng, One travels due north alan average speed 0f 48 miles per hour, and the othcr travels due south al dn average speed of 49 rliles per hour. Alter How rany hours will the Lwo trucks be 339.5 mlles apart?...

5 answers

##### Of Smith County was approximately 53,700. In 2019,the In 1970, the population 152. Assume that the 'population of Smith County has population was about 79 linear function that models the population of grown linearly since 1970 and write after 1970. Round the slope to the nearest hundredth: Smith County X years _ Enter the answer in the form y = mx + b_Do not enter any spaces or commas:

of Smith County was approximately 53,700. In 2019,the In 1970, the population 152. Assume that the 'population of Smith County has population was about 79 linear function that models the population of grown linearly since 1970 and write after 1970. Round the slope to the nearest hundredth: Smit...

5 answers

##### (s33ufap Ul) JO1J34 a41 Uaamlaq aisue a41 puly'(0 'T '& ~ ) = 9 pue (s "8'& ) = 2 181

(s33ufap Ul) JO1J34 a41 Uaamlaq aisue a41 puly '(0 'T '& ~ ) = 9 pue (s "8'& ) = 2 181...

1 answers

##### In Exercises $27-44,$ solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. $\begin{aligned} 3 y-z &=-1 \\ x+5 y-z &=-4 \\-3 x+6 y+2 z &=11 \end{aligned}$

In Exercises $27-44,$ solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. $\begin{aligned} 3 y-z &=-1 \\ x+5 y-z &=-4 \\-3 x+6 y+2 z &=11 \end{aligned}$...

5 answers

##### Please show all work clearlyA transverse wave is given by the following equation:y (x,t) = (2.75 cm) cos [(0.410 rad/cm)x + (6.20 rad/s)t]a) What are the wave's amplitude, frequency, period, andwavelength?b) What is the direction of wave travel, and what is thespeed?c) What is the displacement of a particle at x = 5.00 m, at t =1.00 min?Hint: pay attention to units!

Please show all work clearly A transverse wave is given by the following equation: y (x,t) = (2.75 cm) cos [(0.410 rad/cm)x + (6.20 rad/s)t] a) What are the wave's amplitude, frequency, period, and wavelength? b) What is the direction of wave travel, and what is the speed? c) What is the displa...

5 answers

##### QUESTI WN 13What is e major product of this reaction:CO-CH;COzCH;COzCH;Pd(OAc) (5 mol%) P(o-Tolls (5 mol%) N(CzHsh~COzCH;COzCH,CozCH;0A 2_0 B.4: 0c300.5.

QUESTI WN 13 What is e major product of this reaction: CO-CH; COzCH; COzCH; Pd(OAc) (5 mol%) P(o-Tolls (5 mol%) N(CzHsh ~COzCH; COzCH, CozCH; 0A 2_ 0 B.4: 0c3 00.5....

5 answers

##### 10) In the Atomic spectrum lab, explain what happens to the emitted wavelength of the photon if the energy increases in the absorbed energy of the atom?

10) In the Atomic spectrum lab, explain what happens to the emitted wavelength of the photon if the energy increases in the absorbed energy of the atom?...

5 answers

##### When a carboxylic acid is dissolved in isotopically labeled water; the label rapidly becomes incorporated into both oxygen atoms of the carboxylic acid. Explain.HzOOHROH

When a carboxylic acid is dissolved in isotopically labeled water; the label rapidly becomes incorporated into both oxygen atoms of the carboxylic acid. Explain. HzO OH R OH...